> The sender (irrespective of the number of layers it is built up of -
> serializer, application or whatever) knows what it is sending and that is
> true for sparse arrays as well (in your layered approach if an application
> cann't communicate this to its serializer it indicates an issue with the
> design of the serializer and it has got nothing to do with SOAP and its
> encoding).
Unh no, you're making an implementation decision now. :)
It is possible to communicate sparseness between serializer and
application, but it should not be a requirement.
/r$
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